USB

USB

Lombard Occidental

Quel articul chì l'è scrivüü in Lumbard, cun l'urtugrafia insübrica ünificada.
El cunetur mas'c USB

L' USB o bus de serie üniversal (in ingles universal serial bus) a l'è un standard de cumünicaziun seriala che'l permet de tacà dispusitif a un cumpiüter e per trasmet di dat. L'USB al permet de culigà i dispusitif cun dumà una interfacia standardizada e un ünegh cunetur, e de mejurà la capacità plug-and-play inscì da culigà/desculigà i dispusitif senza el riaviament del cumpiüter (hot swap).

Storia

La prima versiun ufiziala, USB 1.0, a l'è del 1995 e la gh'aveva dò maner de ütilizaziun: Low-speed e Full-speed. I velucità parziaj pussibij a eren 1,5 Mbit/s e 12 Mbit/s.

La segunda versiun a l'è de l'april del 2000, e la velucità massima de trasferiment a l'era de 480 Mbit/s.

In del 2009 la sa specia la terza generaziun, cun velucità fina a 4,8 Gbit/s.

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